gpe=mgh
=80*10*60
=47040 J
What is gravitational potential energy ?
"The gravitational potential energy of an object at a point above the ground is defined as the work done is raising it from the ground to that point against the gravity."
What is g ?
"g is the acceleration of gravity 9.8 (m/s2) or the strength of the gravitational field (N/kg) (which it turns out is equivalent)."
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